MLA

Homann Erben (Firm), L'Isle, Guillaume de, 1675-1726, Riccioli, Giovanni Battista, 1598-1671. Italia : in suos status divisa et ex prototypo del Isliano desumta, elementis insuper Geographiae Schazianis accom[m]odata. [1742?]. https://collections.library.yale.edu/catalog/2065574.

APA, 6th edition

Homann Erben (Firm), & L'Isle, Guillaume de, 1675-1726, & Riccioli, Giovanni Battista, 1598-1671. ([1742?])[Italia : in suos status divisa et ex prototypo del Isliano desumta, elementis insuper Geographiae Schazianis accom[m]odata]. https://collections.library.yale.edu/catalog/2065574.